Succinic anhydride
 Alias: 2,5-Dioxotetrahydrofuran; Dihydro-2,5-diketotetrahydrofuran; Dihydro-2,5-furandione; Butanedioic anhydride; Succinic acid anhydride; Succinyloxide; Tetrahydro-2,5-dioxofuran; SAA; dihydrofuran-2,5-dione; 4,4'-oxybis(4-oxobutanoic acid)
Alias: 2,5-Dioxotetrahydrofuran; Dihydro-2,5-diketotetrahydrofuran; Dihydro-2,5-furandione; Butanedioic anhydride; Succinic acid anhydride; Succinyloxide; Tetrahydro-2,5-dioxofuran; SAA; dihydrofuran-2,5-dione; 4,4'-oxybis(4-oxobutanoic acid)
CAS #: 108-30-5
Molecular formula: C4H4O3
Structural formula:

Molecular weight: 100.07
Properties: white tabular crystal with pungent taste; lightly soluble in water and diethyl ether
To use: in medical , plant growth regulation and plasticizer industry
Packaging: 25kg woven bag lined with plastic bag
| Item | Medical grade | Industrial grade | 
| appearance | white tabular crystal | white tabular crystal | 
| purity % | ≥99% | ≥98% | 
| melting point ℃ | 118-120 | 116-120 | 
| sulfide ≤% | 0.04 | 0.04 | 
| chloride ≤% | 0.015 | 0.015 | 
| heavy metal ≤ppm | 10 | 10 | 
| ignition residue ≤% | 0.01 | 0.01 | 
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